stagnant biopellets

[christyf5]

So I just returned from 10 days of holidays and discovered that while I was gone I managed to leave all the valves on my sump manifold in the closed position, leaving my biopellet, carbon and phosban reactors all full of stagnant water. That was 2 hours of cleaning, smelly yuck and black influent and effluent lines.

I turfed the carbon and phosban as they're easily replaceable but am wondering if there is anything to do to rescue the biopellets, they have a bit of a green hue to them. I've rinsed them really well and have them soaking in RO water but I'm wondering if its worth it to continue using them.

Any ideas?